1. Built-in button battery
2. Quartz dual movement, accurate travel time and good shock resistance
3. Shell material: Alloy IP plating
4. Strap material: leather
5. Mirror material: Mineral tempered glass mirror
6. Buckle material: stainless steel IP plating
7. Waterproof grade: not waterproof
8. Overall length: 27cm
9. Dial diameter: 5.2cm
10. Dial thickness: 1.4cm
11. Strap width: 2.4cm
12. Weight: 89.6g